root / trunk / web / dojo / dojox / string / sprintf.js @ 11
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.string.sprintf"]){ |
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dojo._hasResource["dojox.string.sprintf"]=true; |
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dojo.provide("dojox.string.sprintf");
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dojo.require("dojox.string.tokenize");
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dojox.string.sprintf=function(_1,_2){ |
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for(var _3=[],i=1;i<arguments.length;i++){ |
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_3.push(arguments[i]);
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} |
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var _4=new dojox.string.sprintf.Formatter(_1); |
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return _4.format.apply(_4,_3);
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}; |
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dojox.string.sprintf.Formatter=function(_5){ |
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var _6=[];
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this._mapped=false; |
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this._format=_5;
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this._tokens=dojox.string.tokenize(_5,this._re,this._parseDelim,this); |
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}; |
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dojo.extend(dojox.string.sprintf.Formatter,{_re:/\%(?:\(([\w_]+)\)|([1-9]\d*)\$)?([0 +\-\#]*)(\*|\d+)?(\.)?(\*|\d+)?[hlL]?([\%scdeEfFgGiouxX])/g,_parseDelim:function(_7,_8,_9,_a,_b,_c,_d){ |
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if(_7){
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this._mapped=true; |
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} |
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return {mapping:_7,intmapping:_8,flags:_9,_minWidth:_a,period:_b,_precision:_c,specifier:_d}; |
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},_specifiers:{b:{base:2,isInt:true},o:{base:8,isInt:true},x:{base:16,isInt:true},X:{extend:["x"],toUpper:true},d:{base:10,isInt:true},i:{extend:["d"]},u:{extend:["d"],isUnsigned:true},c:{setArg:function(_e){ |
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if(!isNaN(_e.arg)){
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var _f=parseInt(_e.arg);
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if(_f<0||_f>127){ |
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throw new Error("invalid character code passed to %c in sprintf"); |
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} |
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_e.arg=isNaN(_f)?""+_f:String.fromCharCode(_f);
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} |
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}},s:{setMaxWidth:function(_10){ |
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_10.maxWidth=(_10.period==".")?_10.precision:-1; |
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}},e:{isDouble:true,doubleNotation:"e"},E:{extend:["e"],toUpper:true},f:{isDouble:true,doubleNotation:"f"},F:{extend:["f"]},g:{isDouble:true,doubleNotation:"g"},G:{extend:["g"],toUpper:true}},format:function(_11){ |
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if(this._mapped&&typeof _11!="object"){ |
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throw new Error("format requires a mapping"); |
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} |
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var str=""; |
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var _12=0; |
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for(var i=0,_13;i<this._tokens.length;i++){ |
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_13=this._tokens[i];
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if(typeof _13=="string"){ |
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str+=_13; |
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}else{
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if(this._mapped){ |
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if(typeof _11[_13.mapping]=="undefined"){ |
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throw new Error("missing key "+_13.mapping); |
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} |
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_13.arg=_11[_13.mapping]; |
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}else{
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if(_13.intmapping){
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var _12=parseInt(_13.intmapping)-1; |
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} |
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if(_12>=arguments.length){ |
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throw new Error("got "+arguments.length+" printf arguments, insufficient for '"+this._format+"'"); |
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} |
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_13.arg=arguments[_12++];
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} |
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if(!_13.compiled){
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_13.compiled=true;
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_13.sign="";
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_13.zeroPad=false;
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_13.rightJustify=false;
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_13.alternative=false;
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var _14={};
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for(var fi=_13.flags.length;fi--;){ |
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var _15=_13.flags.charAt(fi);
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_14[_15]=true;
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switch(_15){
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case " ": |
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_13.sign=" ";
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break;
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case "+": |
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_13.sign="+";
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break;
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case "0": |
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_13.zeroPad=(_14["-"])?false:true; |
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break;
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case "-": |
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_13.rightJustify=true;
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_13.zeroPad=false;
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break;
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case "#": |
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_13.alternative=true;
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break;
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default:
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throw Error("bad formatting flag '"+_13.flags.charAt(fi)+"'"); |
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} |
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} |
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_13.minWidth=(_13._minWidth)?parseInt(_13._minWidth):0;
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_13.maxWidth=-1;
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_13.toUpper=false;
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_13.isUnsigned=false;
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_13.isInt=false;
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_13.isDouble=false;
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_13.precision=1;
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if(_13.period=="."){ |
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if(_13._precision){
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_13.precision=parseInt(_13._precision); |
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}else{
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_13.precision=0;
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} |
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} |
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var _16=this._specifiers[_13.specifier]; |
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if(typeof _16=="undefined"){ |
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throw new Error("unexpected specifier '"+_13.specifier+"'"); |
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} |
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if(_16.extend){
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dojo.mixin(_16,this._specifiers[_16.extend]);
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delete _16.extend;
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} |
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dojo.mixin(_13,_16); |
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} |
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if(typeof _13.setArg=="function"){ |
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_13.setArg(_13); |
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} |
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if(typeof _13.setMaxWidth=="function"){ |
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_13.setMaxWidth(_13); |
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} |
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if(_13._minWidth=="*"){ |
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if(this._mapped){ |
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throw new Error("* width not supported in mapped formats"); |
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} |
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_13.minWidth=parseInt(arguments[_12++]);
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if(isNaN(_13.minWidth)){
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throw new Error("the argument for * width at position "+_12+" is not a number in "+this._format); |
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} |
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if(_13.minWidth<0){ |
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_13.rightJustify=true;
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_13.minWidth=-_13.minWidth; |
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} |
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} |
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if(_13._precision=="*"&&_13.period=="."){ |
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if(this._mapped){ |
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throw new Error("* precision not supported in mapped formats"); |
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} |
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_13.precision=parseInt(arguments[_12++]);
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if(isNaN(_13.precision)){
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throw Error("the argument for * precision at position "+_12+" is not a number in "+this._format); |
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} |
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if(_13.precision<0){ |
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_13.precision=1;
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_13.period="";
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} |
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} |
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if(_13.isInt){
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if(_13.period=="."){ |
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_13.zeroPad=false;
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} |
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this.formatInt(_13);
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}else{
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if(_13.isDouble){
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if(_13.period!="."){ |
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_13.precision=6;
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} |
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this.formatDouble(_13);
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} |
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} |
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this.fitField(_13);
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str+=""+_13.arg;
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} |
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} |
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return str;
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},_zeros10:"0000000000",_spaces10:" ",formatInt:function(_17){ |
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var i=parseInt(_17.arg);
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if(!isFinite(i)){
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if(typeof _17.arg!="number"){ |
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throw new Error("format argument '"+_17.arg+"' not an integer; parseInt returned "+i); |
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} |
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i=0;
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} |
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if(i<0&&(_17.isUnsigned||_17.base!=10)){ |
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i=4294967295+i+1; |
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} |
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if(i<0){ |
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_17.arg=(-i).toString(_17.base); |
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this.zeroPad(_17);
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_17.arg="-"+_17.arg;
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}else{
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_17.arg=i.toString(_17.base); |
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if(!i&&!_17.precision){
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_17.arg="";
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}else{
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this.zeroPad(_17);
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} |
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if(_17.sign){
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_17.arg=_17.sign+_17.arg; |
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} |
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} |
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if(_17.base==16){ |
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if(_17.alternative){
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_17.arg="0x"+_17.arg;
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} |
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_17.arg=_17.toUpper?_17.arg.toUpperCase():_17.arg.toLowerCase(); |
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} |
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if(_17.base==8){ |
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if(_17.alternative&&_17.arg.charAt(0)!="0"){ |
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_17.arg="0"+_17.arg;
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} |
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} |
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},formatDouble:function(_18){ |
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var f=parseFloat(_18.arg);
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if(!isFinite(f)){
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if(typeof _18.arg!="number"){ |
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throw new Error("format argument '"+_18.arg+"' not a float; parseFloat returned "+f); |
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} |
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f=0;
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} |
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switch(_18.doubleNotation){
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case "e": |
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_18.arg=f.toExponential(_18.precision); |
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break;
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case "f": |
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_18.arg=f.toFixed(_18.precision); |
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break;
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case "g": |
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if(Math.abs(f)<0.0001){ |
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_18.arg=f.toExponential(_18.precision>0?_18.precision-1:_18.precision); |
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}else{
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_18.arg=f.toPrecision(_18.precision); |
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} |
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if(!_18.alternative){
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_18.arg=_18.arg.replace(/(\..*[^0])0*/,"$1"); |
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_18.arg=_18.arg.replace(/\.0*e/,"e").replace(/\.0$/,""); |
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} |
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break;
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default:
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throw new Error("unexpected double notation '"+_18.doubleNotation+"'"); |
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} |
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_18.arg=_18.arg.replace(/e\+(\d)$/,"e+0$1").replace(/e\-(\d)$/,"e-0$1"); |
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if(dojo.isOpera){
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_18.arg=_18.arg.replace(/^\./,"0."); |
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} |
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if(_18.alternative){
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_18.arg=_18.arg.replace(/^(\d+)$/,"$1."); |
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_18.arg=_18.arg.replace(/^(\d+)e/,"$1.e"); |
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} |
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if(f>=0&&_18.sign){ |
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_18.arg=_18.sign+_18.arg; |
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} |
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_18.arg=_18.toUpper?_18.arg.toUpperCase():_18.arg.toLowerCase(); |
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},zeroPad:function(_19,_1a){ |
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_1a=(arguments.length==2)?_1a:_19.precision; |
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if(typeof _19.arg!="string"){ |
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_19.arg=""+_19.arg;
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} |
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var _1b=_1a-10; |
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while(_19.arg.length<_1b){
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_19.arg=(_19.rightJustify)?_19.arg+this._zeros10:this._zeros10+_19.arg; |
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} |
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var pad=_1a-_19.arg.length;
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_19.arg=(_19.rightJustify)?_19.arg+this._zeros10.substring(0,pad):this._zeros10.substring(0,pad)+_19.arg; |
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},fitField:function(_1c){ |
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if(_1c.maxWidth>=0&&_1c.arg.length>_1c.maxWidth){ |
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return _1c.arg.substring(0,_1c.maxWidth); |
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} |
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if(_1c.zeroPad){
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this.zeroPad(_1c,_1c.minWidth);
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return;
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} |
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this.spacePad(_1c);
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},spacePad:function(_1d,_1e){ |
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_1e=(arguments.length==2)?_1e:_1d.minWidth; |
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if(typeof _1d.arg!="string"){ |
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_1d.arg=""+_1d.arg;
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} |
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var _1f=_1e-10; |
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while(_1d.arg.length<_1f){
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_1d.arg=(_1d.rightJustify)?_1d.arg+this._spaces10:this._spaces10+_1d.arg; |
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} |
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var pad=_1e-_1d.arg.length;
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_1d.arg=(_1d.rightJustify)?_1d.arg+this._spaces10.substring(0,pad):this._spaces10.substring(0,pad)+_1d.arg; |
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}}); |
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} |